*SUPPORT*
IN: zup gazzer dax gazzer wif OUT: BLUE RED GREEN
IN: wif dax fep OUT: BLUE RED RED RED
IN: lug blicket gazzer wif wif gazzer wif zup OUT: BLUE GREEN BLUE BLUE PURPLE PURPLE
IN: dax blicket OUT: RED RED
IN: zup zup blicket OUT: GREEN GREEN GREEN GREEN
IN: dax wif zup OUT: RED BLUE GREEN
IN: lug wif fep OUT: PURPLE BLUE BLUE BLUE
IN: lug fep blicket OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: zup blicket blicket OUT: GREEN GREEN GREEN GREEN
IN: zup fep OUT: GREEN GREEN GREEN
IN: lug OUT: PURPLE
IN: dax fep OUT: RED RED RED
IN: zup blicket OUT: GREEN GREEN
IN: lug fep OUT: PURPLE PURPLE PURPLE

*QUERY*
IN: zup gazzer lug fep OUT: PURPLE PURPLE PURPLE GREEN
IN: lug zup blicket OUT: PURPLE GREEN PURPLE GREEN
IN: lug zup fep OUT: PURPLE GREEN GREEN GREEN
IN: lug fep gazzer lug OUT: PURPLE PURPLE PURPLE PURPLE
IN: dax gazzer dax fep blicket OUT: RED RED RED RED RED RED RED
IN: wif gazzer lug wif zup wif OUT: PURPLE BLUE GREEN BLUE BLUE
IN: zup OUT: GREEN
IN: dax wif OUT: RED BLUE
IN: wif fep OUT: BLUE BLUE BLUE
IN: wif OUT: BLUE

*GRAMMAR*
lug -> PURPLE 
 zup -> GREEN 
 dax -> RED 
 wif -> BLUE 
 x1 gazzer x2 -> [x2] [x1] 
 x1 blicket -> [x1] [x1] 
 u1 fep -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 